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Calculate: (10 + 5) × 2 - 8.

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Question: Calculate: (10 + 5) × 2 - 8.

Options:

  1. 22
  2. 20
  3. 18
  4. 24

Correct Answer: 22

Solution: 

First, calculate inside the parentheses: 10 + 5 = 15. Then, 15 × 2 = 30. Finally, 30 - 8 = 22.

Calculate: (10 + 5) × 2 - 8.

Practice Questions

Q1
Calculate: (10 + 5) × 2 - 8.
  1. 22
  2. 20
  3. 18
  4. 24

Questions & Step-by-Step Solutions

Calculate: (10 + 5) × 2 - 8.
  • Step 1: Calculate inside the parentheses: 10 + 5 = 15.
  • Step 2: Multiply the result by 2: 15 × 2 = 30.
  • Step 3: Subtract 8 from the result: 30 - 8 = 22.
  • Order of Operations – This question tests the understanding of the order of operations (PEMDAS/BODMAS), which dictates the sequence in which mathematical operations should be performed.
  • Basic Arithmetic – The question involves basic arithmetic operations: addition, multiplication, and subtraction.
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